Home / 9,826.75-13,566.14-7,891.52

Finding the Fourth Proportional to 9,826.75, 13,566.14 and 7,891.52

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Solution

The fourth proportional to 9,826.75, 13,566.14 and 7,891.52 is: 10,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.75 : 13,566.14 = 7,891.52 : x
  2. Step 2: Convert to fraction form
    9,826.75/13,566.14 = 7,891.52/x
  3. Step 3: Cross multiply
    9,826.75x = 13,566.14 × 7,891.52
  4. Step 4: Simplify right side
    9,826.75x = 107,057,465.13
  5. Step 5: Solve for x
    x = 107,057,465.13/9,826.75
  6. Step 6: Final answer
    x = 10,894.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.